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[WIP] Remove deprecated Matplotlib stem() parameter - Fixes #1314 #1322

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[WIP] Remove deprecated Matplotlib stem() parameter - Fixes #1314 #1322

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7 changes: 4 additions & 3 deletions yellowbrick/regressor/influence.py
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Original file line number Diff line number Diff line change
Expand Up @@ -155,7 +155,7 @@ def fit(self, X, y):

# Compute Cook's distance
residuals_studentized = residuals / np.sqrt(mse) / np.sqrt(1 - leverage)
self.distance_ = residuals_studentized ** 2 / X.shape[1]
self.distance_ = residuals_studentized**2 / X.shape[1]
self.distance_ *= leverage / (1 - leverage)

# Compute the p-values of Cook's Distance
Expand All @@ -180,8 +180,9 @@ def draw(self):
"""
# Draw a stem plot with the influence for each instance
_, _, baseline = self.ax.stem(
self.distance_, linefmt=self.linefmt, markerfmt=self.markerfmt,
use_line_collection=True
self.distance_,
linefmt=self.linefmt,
markerfmt=self.markerfmt,
)

# No padding on either side of the instance index
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